chuck grassley of iowa says of friday's hearing on capitol hill that, we need to be sure that people who intend to cause harm to americans are not allowed to enter the country. today on the sunday talk shows, little criticism, but there was an openness to making immigration reform as effective as possible. >> there are some -- some on the hard right, some otherwise who, oppose our immigration bill from the get go. they are using this as an excuse. we are not going to let them do that. if they have a suggestion to change it based on what happened in boston, we will be open to. it but we are not going to let them use what happened in boston as an excuse because, our law toughens things up. >> reporter: the immigration reform bill, written by a bipartisan group of senators would have multiple background checks and fix the visa system, so anyone overstaying a visa would be detected. right now, there are no checks on airport departures. as for those who come without visas to this country, lindsay graham says this. >> now is the time to bring all the 11 million out of the shadows and find